public class TestDataType {
	public static void main(String[] args) {
		int a = 10;
		int a2 = 010;
		int a3 = 0x10;
		int a4 = 0xf;
		System.out.println(a);
		System.out.println(a2);
		System.out.println(a3);
		System.out.println(a4);
		System.out.println(Integer.toBinaryString(a));
		System.out.println(Integer.toOctalString(a));
		System.out.println(Integer.toHexString(a2));
	}
}